1 Trinity Centre for Ageing and Intellectual Disability, Trinity College Dublin, Dublin D02PN40, Ireland; Global Brain Health Institute, Trinity College Dublin, University of California San Francisco, San Francisco, CA, USA. Electronic address: mcgline@tcd.ie.
2 Sant Pau Memory Unit, Department of Neurology, Hospital de la Santa Creu i Sant Pau, Biomedical Research Institute Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain; Altoida, Washington DC, USA.
3 Sant Pau Memory Unit, Department of Neurology, Hospital de la Santa Creu i Sant Pau, Biomedical Research Institute Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain; Barcelona Down Medical Center, Fundació Catalana Síndrome de Down, Barcelona, Spain.